So; if I understand right one should have 4-2-1 system that merge the 1,4 and 2,3 cylinders before merging the two of them again. Which does not easily apply to Beetles.
So; since most systems are 4-1, why is there no such merges system for the typ4 in a Beetle? I would really like the CSP supercompetion with the correct header/stub pies etc. Only negativ thing is that you divide the flow after the collector again - while Ahnendorp make a system that has one pipe all the length. For stock look one could add a dummy pipe I guess.
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